Yahoo! Inc, National Bank of Greece, Nokia Corp, Zynga Inc, Compucredit Holdings, Halcon Resources, Harmony Gold Mining, Amazon.com and Banco Santander are among the companies whose shares are moving in pre-market trading Thursday.

Yahoo! Inc. (YHOO) stock surged 2.34 percent to $15.76 in pre-market trading. The stock has a 52-week low of $13.11, a 52-week high of $16.79 and $18.24 billion in market capitalization.

National Bank of Greece (NBG) stock advanced 2.30 percent to $2.67 in pre-market trading. The bank stock climbed more than 16 percent in regular trading Wednesday after Germany's Constitutional Court gave its approval for the implementation of a bailout fund in the euro zone while outlining certain conditions, including Germany's total exposure to the funds.

Nokia Corp. (NOK) stock gained 1.09 percent to $2.78 in pre-market trading. The stock has a 52-week low of $1.63, a 52-week high of $7.38 and $10.30 billion in market capitalization.

Zynga Inc. (ZNGA) stock advanced nearly 1 percent to $3.10 in pre-market trading after climbing more than 10 percent in the previous session. The stock has a 52-week low of $2.66, a 52-week high of $15.91 and $2.33 billion in market capitalization.

Compucredit Holdings Corp. (CCRT) stock slumped 6.35 percent to $5.75 in pre-market trading.

Halcon Resources Corp. (HK) shares slumped 5.67 percent to $7.15 in pre-market trading. The company announced Wednesday the pricing of an underwritten secondary offering of 35,000,000 shares of its common stock offered by EnCap Energy Capital Fund VIII L.P.

Harmony Gold Mining Co. (HMY) stock declined 3.46 percent to $8.10 in pre-market trading. The stock has a 52-week low of $8.08, a 52-week high of $14.64 and $3.62 billion in market capitalization.

Amazon.com Inc. (AMZN) stock declined 1.26 percent to $252.40 in pre0-market trading. The world's largest online retailer persuaded a federal court in San Francisco to dismiss a suit brought by a patent owner from Menlo Park, Calif., Bloomberg reported.

Banco Santander, S.A. (SAN) stock advanced 1.38 percent to $7.89 in pre-market trading. The stock has a 52-week low of $4.88, a 52-week high of $9.32 and $75.48 billion in market capitalization.